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// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
#pragma once
#include <torch/extension.h>
at::Tensor ROIAlign_forward_cpu(const at::Tensor& input,
const at::Tensor& rois,
const float spatial_scale,
const int pooled_height,
const int pooled_width,
const int sampling_ratio);
at::Tensor nms_cpu(const at::Tensor& dets,
const at::Tensor& scores,
const float threshold);
at::Tensor
dcn_v2_cpu_forward(const at::Tensor &input,
const at::Tensor &weight,
const at::Tensor &bias,
const at::Tensor &offset,
const at::Tensor &mask,
const int kernel_h,
const int kernel_w,
const int stride_h,
const int stride_w,
const int pad_h,
const int pad_w,
const int dilation_h,
const int dilation_w,
const int deformable_group);
std::vector<at::Tensor>
dcn_v2_cpu_backward(const at::Tensor &input,
const at::Tensor &weight,
const at::Tensor &bias,
const at::Tensor &offset,
const at::Tensor &mask,
const at::Tensor &grad_output,
int kernel_h, int kernel_w,
int stride_h, int stride_w,
int pad_h, int pad_w,
int dilation_h, int dilation_w,
int deformable_group);
std::tuple<at::Tensor, at::Tensor>
dcn_v2_psroi_pooling_cpu_forward(const at::Tensor &input,
const at::Tensor &bbox,
const at::Tensor &trans,
const int no_trans,
const float spatial_scale,
const int output_dim,
const int group_size,
const int pooled_size,
const int part_size,
const int sample_per_part,
const float trans_std);
std::tuple<at::Tensor, at::Tensor>
dcn_v2_psroi_pooling_cpu_backward(const at::Tensor &out_grad,
const at::Tensor &input,
const at::Tensor &bbox,
const at::Tensor &trans,
const at::Tensor &top_count,
const int no_trans,
const float spatial_scale,
const int output_dim,
const int group_size,
const int pooled_size,
const int part_size,
const int sample_per_part,
const float trans_std);
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